A furnace temperature uniformity test tool and test bracket

Abstract

The invention relates to a furnace temperature uniformity test tool and a test bracket. The furnace temperature uniformity test tool includes a test rod extending into the furnace along the axial direction of the furnace and a thermocouple fixed and installed at the front end of the test rod. The temperature measuring fixed body is provided with at least two thermocouples at intervals along the radial direction of the furnace and located on the same plane in the radial direction of the furnace, and the temperature measuring fixed body is also provided with corresponding thermoelectric Thermocouple fixing structure for couple installation. At this time, the mesh belt of the mesh belt furnace does not need to open the driving device, and the test rod is manually inserted into different positions of the furnace, which not only solves the vibration of the mesh belt caused by the movement of the temperature measuring frame with the mesh belt in the prior art The temperature measurement frame is skewed. In the prior art, due to the skew of the temperature measurement frame, the thermocouples that were originally in the same plane are no longer located in the same plane, resulting in detection failure. Moreover, this test tool improves work efficiency and is easy to use. .

Description

technical field [0001] The invention relates to a test tool for testing the furnace temperature uniformity of a mesh belt furnace and a test bracket used in the test tool. Background technique [0002] At present, with the rapid development of aerospace aircraft and the integration with international technology, the aerospace industry has more and more strict requirements on the quality of products, and the equipment for producing these products has become the most important link in controlling product quality. The equipment must pass the test before it can be put into production. For example, the furnace temperature uniformity inside the mesh belt furnace has an extremely important influence on the final performance of the products put into it. The furnace temperature inside the mesh belt furnace has a temperature gradient in both the axial direction and the radial direction, so the inspection network The temperature gradient of the belt furnace is very important. In the p...

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Problems solved by technology

For example, the furnace temperature uniformity inside the mesh belt furnace has an extremely important influence on the final performance of the products put into it. The furnace temperature inside the mesh belt furnace has a temperature gradient in both the axial direction and the radial direction, so the inspection network The temperature gradient of the belt furnace is very important. In the prior art, the internal temperature uniformity test of the mesh belt furnace mainly consists of the following two methods. One is to open temperature measuring holes at different positions on the furnace wall of the mesh belt furnace, and measure the temperature. A thermocouple is inserted into the hole for temperature measurement, but in order to ensure that the muffle tube inside the mesh belt furnace is not damaged, the deepest temperature measurement hole is opened to the outer wall of the muffle tube, so this type of temperature measurement method cannot test the inside of the muffle tube The temperature is the actual temperature environment where the product is located; the second is to place a temperature measuring frame inside the mesh belt furnace and heat it together with the mesh belt furnace. There are multiple thermocouple temperature measuring points on the temperature measuring frame, but it needs to be opened to The driving device that drives the movement of the mesh belt of the mesh belt furnace, and the temperature measuring frame slowly moves forward with the movement of the mesh belt, so as to collect the temperature of each position inside the muffle tube of the mesh belt furnace. The furnace is usually relatively long, and the efficiency of this type of detection method is low, and during the operation of the temperature measuring frame with the mesh belt of the mesh belt furnace, the vibration of the mesh belt will cause the deflection of the temperature measuring frame, and the mesh belt furnace cannot be truly detected The temperature gradient in the radial direction leads to detection failure

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